Technical Feasibility Exception (TFE)
A Technical Feasibility Exception (TFE) allows registered entities to request relief from strict compliance with specific NERC CIP Standards (CIP-002 through CIP-014) when technical limitations prevent full implementation. TFEs are submitted through the NERC Align tool with evidence in the Secure Evidence Locker (SEL) to ensure security and reliability remain protected.
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Overview
A responsible entity may request an exception from Strict Compliance with the terms of a requirement of certain NERC Critical Infrastructure Protection (CIP) Standards on the grounds of technical feasibility or technical limitations. Such an exception is a Technical Feasibility Exception (TFE). TFEs are applicable only to those requirements of CIP Standards CIP-002 through CIP-014 that expressly provide one of the following conditions:
Compliance with the terms of the requirement is required where or as technically feasible, or
Technical limitations may preclude compliance with the terms of the requirement.
Please refer to the NERC Rules of Procedure, Appendix 4D “Procedure for Requesting and Receiving Technical Feasibility Exceptions to NERC Critical Infrastructure Protection Standards” for more details.
Submit Technical Feasibility Exceptions (TFEs) with NERC Align and the Secure Evidence Locker (SEL)
A registered entity uses the NERC Align tool and the Secure Evidence Locker (SEL) to request and submit a TFE. A TFE can be submitted for the same applicable requirement for multiple, similar Covered Assets (either at the same location or at different locations within geographic boundaries of a Regional Entity) on the same basis, with the same compensating measures and/or mitigating measures, and with the same proposed expiration date. Please refer to the NERC Website. For more information on Align and the SEL processes. For training purposes, please review the Align and SEL training videos in section 7 for TFEs and section 5 for the SEL.
Documents
TFE Asset Import SEL Template
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